Aerobic
requiring oxygen
Anaerobic
does not require oxygen
ATP (Adenosine triphosphate)
main energy source that cells use for most of their work
Autotroph
organism that makes its own food
Carbon cycle
process by which carbon moves from inorganic to organic compounds and back
Cellular respiration
chemical process that uses oxygen to convert chemical energy stored in organic molecules into ATP
Chemical energy
potential to perform work due to the arrangement of atoms within molecules
Chlorophyll
pigment that gives a chloroplast its green color
Chloroplast
organelle found in some plant cells and certain unicellular organisms where photosynthesis takes place
Consumer
organism that obtains food by eating
Fermentation
cellular process of making ATP without oxygen
Global warming
rise in Earth's average temperature
Glycolysis
splitting in half of a glucose molecules. The first stage of cellular respiration and fermentation
Greenhouse effect
process by which atmospheric gases trap heat close to Earth's surface and prevent it from escaping into space
Heterotroph
organism that obtains food by eating other organisms
Metabolism
all of a cell's chemical processes
Mitochondria
cellular organelles where cellular respiration occurs
Photosynthesis
process by which plants use the sun's energy to convert water and carbon dioxide to sugars
Producer
organism that makes its own food and produces organic molecules that serve as food for other organisms in the ecosystem